CH133058A - Method and device for the involuntary registration of the number of the calling party and for the arbitrary registration of selectable characters of the calling party, both at the called party, by operating the dial of the calling party, in telephone systems with a dialer system. - Google Patents
Method and device for the involuntary registration of the number of the calling party and for the arbitrary registration of selectable characters of the calling party, both at the called party, by operating the dial of the calling party, in telephone systems with a dialer system.Info
- Publication number
- CH133058A CH133058A CH133058DA CH133058A CH 133058 A CH133058 A CH 133058A CH 133058D A CH133058D A CH 133058DA CH 133058 A CH133058 A CH 133058A
- Authority
- CH
- Switzerland
- Prior art keywords
- calling party
- registration
- party
- involuntary
- dial
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/57—Arrangements for indicating or recording the number of the calling subscriber at the called subscriber's set
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/18—Electrical details
- H04Q1/30—Signalling arrangements; Manipulation of signalling currents
- H04Q1/32—Signalling arrangements; Manipulation of signalling currents using trains of DC pulses
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Devices For Supply Of Signal Current (AREA)
- Transmission Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB14539/29A GB334839A (en) | 1929-05-09 | 1929-05-09 | Improvements in automatic telephone systems |
Publications (1)
Publication Number | Publication Date |
---|---|
CH133058A true CH133058A (en) | 1929-05-15 |
Family
ID=10043019
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH133058D CH133058A (en) | 1929-05-09 | 1928-08-20 | Method and device for the involuntary registration of the number of the calling party and for the arbitrary registration of selectable characters of the calling party, both at the called party, by operating the dial of the calling party, in telephone systems with a dialer system. |
Country Status (7)
Country | Link |
---|---|
US (1) | US1800240A (en) |
BE (1) | BE361512A (en) |
CH (1) | CH133058A (en) |
DE (1) | DE583032C (en) |
FR (1) | FR674620A (en) |
GB (1) | GB334839A (en) |
NL (1) | NL30427C (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2782257A (en) * | 1951-07-23 | 1957-02-19 | North Electric Co | Automatic telephone system |
-
1928
- 1928-08-04 DE DEZ17749D patent/DE583032C/en not_active Expired
- 1928-08-20 CH CH133058D patent/CH133058A/en unknown
-
1929
- 1929-05-06 FR FR674620D patent/FR674620A/en not_active Expired
- 1929-05-09 GB GB14539/29A patent/GB334839A/en not_active Expired
- 1929-06-04 US US36831429 patent/US1800240A/en not_active Expired - Lifetime
- 1929-06-14 BE BE361512D patent/BE361512A/xx unknown
- 1929-06-19 NL NL46833A patent/NL30427C/xx active
Also Published As
Publication number | Publication date |
---|---|
BE361512A (en) | 1929-10-31 |
US1800240A (en) | 1931-04-14 |
NL30427C (en) | 1933-08-15 |
DE583032C (en) | 1933-08-26 |
FR674620A (en) | 1930-01-30 |
GB334839A (en) | 1930-09-09 |
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